/* Copyright 1989, 1998 The Open Group Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Except as contained in this notice, the name of The Open Group shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from The Open Group. * * Author: Keith Packard, MIT X Consortium */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include <X11/Xos.h> #include <X11/X.h> #include <X11/Xmd.h> #include <X11/Xdmcp.h> #include <stdlib.h> int XdmcpWriteHeader ( XdmcpBufferPtr buffer, const XdmcpHeaderPtr header) { BYTE *newData; if ((int)buffer->size < 6 + (int)header->length) { newData = (BYTE *) malloc(XDM_MAX_MSGLEN * sizeof (BYTE)); if (!newData) return FALSE; free((unsigned long *)(buffer->data)); buffer->data = newData; buffer->size = XDM_MAX_MSGLEN; } buffer->pointer = 0; if (!XdmcpWriteCARD16 (buffer, header->version)) return FALSE; if (!XdmcpWriteCARD16 (buffer, header->opcode)) return FALSE; if (!XdmcpWriteCARD16 (buffer, header->length)) return FALSE; return TRUE; } int XdmcpWriteARRAY8 (XdmcpBufferPtr buffer, const ARRAY8Ptr array) { int i; if (!XdmcpWriteCARD16 (buffer, array->length)) return FALSE; for (i = 0; i < (int)array->length; i++) if (!XdmcpWriteCARD8 (buffer, array->data[i])) return FALSE; return TRUE; } int XdmcpWriteARRAY16 (XdmcpBufferPtr buffer, const ARRAY16Ptr array) { int i; if (!XdmcpWriteCARD8 (buffer, array->length)) return FALSE; for (i = 0; i < (int)array->length; i++) if (!XdmcpWriteCARD16 (buffer, array->data[i])) return FALSE; return TRUE; } int XdmcpWriteARRAY32 (XdmcpBufferPtr buffer, const ARRAY32Ptr array) { int i; if (!XdmcpWriteCARD8 (buffer, array->length)) return FALSE; for (i = 0; i < (int)array->length; i++) if (!XdmcpWriteCARD32 (buffer, array->data[i])) return FALSE; return TRUE; } int XdmcpWriteARRAYofARRAY8 (XdmcpBufferPtr buffer, const ARRAYofARRAY8Ptr array) { int i; if (!XdmcpWriteCARD8 (buffer, array->length)) return FALSE; for (i = 0; i < (int)array->length; i++) if (!XdmcpWriteARRAY8 (buffer, &array->data[i])) return FALSE; return TRUE; } int XdmcpWriteCARD8 ( XdmcpBufferPtr buffer, unsigned value) { if (buffer->pointer >= buffer->size) return FALSE; buffer->data[buffer->pointer++] = (BYTE) value; return TRUE; } int XdmcpWriteCARD16 ( XdmcpBufferPtr buffer, unsigned value) { if (!XdmcpWriteCARD8 (buffer, value >> 8)) return FALSE; if (!XdmcpWriteCARD8 (buffer, value & 0xff)) return FALSE; return TRUE; } int XdmcpWriteCARD32 ( XdmcpBufferPtr buffer, unsigned value) { if (!XdmcpWriteCARD8 (buffer, value >> 24)) return FALSE; if (!XdmcpWriteCARD8 (buffer, (value >> 16) & 0xff)) return FALSE; if (!XdmcpWriteCARD8 (buffer, (value >> 8) & 0xff)) return FALSE; if (!XdmcpWriteCARD8 (buffer, value & 0xff)) return FALSE; return TRUE; }